what's the molar mass of alumina, AI2O3? the atomic weight of alumina is 26.98 and the atomic weight of oxygen is 16.00

po-215 i got it right on the quiz

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >